Description
Battery Tender 12V 1.25AMP Battery Charger Plus is a purpose-built battery charger/maintainer designed to safely charge and maintain lead-acid (flooded, AGM, GEL). It uses an automatic charging profile and transitions to maintenance/float once the battery is full.
Best for
- Best when you want a 1.25A maintainer: small to midsize starting batteries, seasonal storage
Key technical details
- SKU: 021-0128
- UPC: 734357001280
- System voltage: 12V
- Output: 1.25A
- Charging program: 4-step smart maintainer (no overcharge float mode)
Quick technical Q&A
- Will it overcharge my battery if I leave it connected?
- No—once the battery reaches full charge, it switches to a maintenance/float stage to hold storage voltage instead of continuously charging.
- What battery chemistry is it meant for?
- This unit is intended for lead-acid (flooded, AGM, GEL). Always confirm your battery type and voltage before connecting.
- How do I choose the right amperage?
- Lower amps are ideal for maintenance and small batteries; higher amps are better for faster recovery on larger batteries. If unsure, pick the lowest output that comfortably meets your use case.
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